Job Name:

System Reference: Date:

Indoor Unit:MSZ-WR12NA

Outdoor Unit:MUZ-WR12NA

Wireless Remote Controller

GENERAL FEATURES• Single-zone heat pump systems• Blue Fin anti-corrosion treatment applied to the outdoor unit heat exchanger for increased coil protection and longer life• Four fan speeds: Low, Medium, High, Super-high• Anti-mold filter• INVERTER-driven heat pump• Cooling operation range: 32° F to 115° F• Heating operation range: 5° F to 75° F• Multiple control options available:

- Hand-held Remote Controller (provided with unit)- kumo cloud® smart device app for remote access- Third-party interface options- Wired or wireless controllers

• 12-hour timer• ECONO COOL mode• AUTO restart• The outdoor unit powers the indoor unit and should a power outage occur, the system is automatically restarted when the power returns.

SUBMITTAL DATA: MSZ-WR12NA & MUZ-WR12NA12,000 BTU/H WALL-MOUNTED HEAT PUMP SYSTEM

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.

M-SERIES

Cooling at 95°F1

Maximum Capacity Btu/h 12,200

Rated Capacity Btu/h 12,000

Minimum Capacity Btu/h 3,800

Maximum Power Input W 1,400

Rated Power Input W 1,330

Moisture Removal Pints/h 2.5

Sensible Heat Factor 0.77

Power Factor (208/230V) % 95/95

Cooling at 82°F

Maximum Capacity Btu/h 13,474

Rated Capacity Btu/h 13,248

Minimum Capacity Btu/h 4,196

Maximum Power Input W 1,264

Rated Power Input W 1,200

Heating at 47°F2

Maximum Capacity Btu/h 14,500

Rated Capacity Btu/h 12,200

Minimum Capacity Btu/h 4,500

Maximum Power Input W 1,340

Rated Power Input W 1,090

Power Factor % 93/93

Heating at 17°F3

Maximum Capacity Btu/h 9,000

Rated Capacity Btu/h 7,600

Maximum Power Input W 1,090

Rated Power Input W 880

Heating at 5°F4Maximum Capacity Btu/h 7,440

Maximum Power Input W 920

Efficiency

SEER 16.0

EER1 9.0

HSPF (IV) 8.5

COP at 47°F2 3.28

COP at 17°F in Maximum Capacity3 2.42

COP at 5°F in Maximum Capacity4 2.37

Electrical

Voltage, Phase, Frequency 208/230V, 1 phase, 60Hz

Guaranteed Voltage Range V AC 187-253

Voltage: Indoor - Outdoor, S1-S2 V AC 208/230

Voltage: Indoor - Outdoor, S2-S3 V DC 24

Voltage: Indoor - Remote Controller Wireless type

Recommended Fuse/Breaker Size A 15

Recommended Wire Size (Indoor - Outdoor) AWG 14

Indoor Unit

MCA A 1

Blower Motor Full Load Amperage A 0.76

Blower Motor Output W 30

SPECIFICATIONS: MSZ-WR12NA & MUZ-WR12NA

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.

Airflow Rate at Cooling, Dry CFM 399-321-237-170

Airflow Rate at Cooling, Wet CFM 364-286-201-134

Airflow Rate at Heating, Dry CFM 406-321-237-170

Sound Pressure Level (Cooling) dB(A) 45-37-30-22

Sound Pressure Level (Heating) dB(A) 43-37-30-22

Drain Pipe Size In. (mm) 5/8 (15.88)

Heat Exchanger Type Plate fin coil

External Finish Color Munsell 1.0Y 9.2/0.2

Unit Dimensions

W: In. (mm) 31-7/16 (798)

D: In. (mm) 9-1/8 (232)

H: In. (mm) 11-5/8 (295)

Package Dimensions

W: In. (mm) 33-1/2 (850)

D: In. (mm) 12 (300)

H: In. (mm) 14 (350)

Unit Weight Lbs. (kg) 22 (10)

Package Weight Lbs. (kg) 26 (11.5)

Indoor Unit OperatingTemperature Range

Cooling Intake Air Temp (Maximum / Minimum)* °F 90F D.B / 73F W.B // 67F D.B / 57F W.B

Heating Intake Air Temp (Maximum / Minimum) °F 80F D.B // 70F D.B

Outdoor Unit

MCA A 9

MOCP A 15

Fan Motor Full Load Amperage A 0.5

Fan Motor Output W 55

Airflow Rate CFM 1,151 / 1,225

Refrigerant Control LEV

Defrost Method Reverse cycle

Heat Exchanger Type Plate fin coil

Blue Fin Coating on Heat Exchanger Yes

Sound Pressure Level, Cooling1 dB(A) 51

Sound Pressure Level, Heating2 dB(A) 51

Compressor Type DC INVERTER-driven

Compressor Model KNB073FRVMC

Compressor Rated Load Amps A 6.2

Compressor Locked Rotor Amps A 7.7

Compressor Oil Type // Charge oz. FV50S // 9.1

External Finish Color Ivory Munsell 3Y 7.8/1.1

Base Pan Heater Optional

Unit Dimensions

W: In. (mm) 31-1/2 (800)

D: In. (mm) 11-1/4 (285)

H: In. (mm) 21-5/8 (550)

Package DimensionsW: In. (mm) 37 (940)

D: In. (mm) 14-15/16 (380)

SPECIFICATIONS: MSZ-WR12NA & MUZ-WR12NA

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.

H: In. (mm) 24-13/16 (630)

Unit Weight Lbs. (kg) 73 (33)

Package Weight Lbs. (kg) 79 (36)

Outdoor Unit OperatingTemperature Range

Cooling Air Temp (Maximum / Minimum)* °F 115 / 32

Cooling Thermal Lock-out / Re-start Temperatures** °F -1 / 3

Heating Air Temp (Maximum / Minimum) °F 75 / 5

Heating Thermal Lock-out / Re-start Temperatures** °F -9 / -4

RefrigerantType R410A

Charge Lbs, oz 1, 12

Piping

Gas Pipe Size O.D. (Flared) In.(mm) 3/8 (9.52)

Liquid Pipe Size O.D. (Flared) In.(mm) 1/4 (6.35)

Maximum Piping Length Ft. (m) 65 (20)

Maximum Height Difference Ft. (m) 40 (12)

Maximum Number of Bends 10

Notes

AHRI Rated Conditions(Rated data isdetermined at a fixedcompressor speed)

1Cooling (Indoor // Outdoor) °F 80 DB, 67 WB // 95 DB, 75 WB2Heating at 47°F (Indoor // Outdoor) °F 70 DB, 60 WB // 47 DB, 43 WB3Heating at 17°F (Indoor // Outdoor) °F 70 DB, 60 WB // 17 DB, 15 WB

Conditions 4Heating at 5°F (Indoor // Outdoor) °F 70 DB, 60 WB // 5 DB, 4 WB

*Applications should be restricted to comfort cooling only; equipment cooling applications are not recommended for low ambient temperature conditions.**System cuts out in heating mode to avoid thermistor error and automatically restarts at these temperatures.

SPECIFICATIONS: MSZ-WR12NA & MUZ-WR12NA

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.

Anti-allergy Enzyme Filter □ MAC-408FT-E

Backlit, Wall-mounted, Wireless Controller □ MHK1

Portable Central Controller □ MCCH1

Wired MA Controller1 □ PAR-33MAA

Simple MA Controller1 □ PAC-YT53CRAU

Touch MA Controller1 □ PAR-CT01MAU-SB

Wired Remote Sensor □ M21-EAA-307

Wireless Temperature and Humidity Sensor □ PAC-USWHS003-TH-1

Outside Air Sensor for MHK1 □ MOS1

System Control Interface2 □ MAC-333IF-E

Wireless Interface □ PAC-USWHS002-WF-1

Thermostat Interface □ PAC-US444CN-1

kumo station® □ PAC-WHS01HC-E

USNAP Interface □ PAC-WHS01UP-E

IT Extender □ PAC-WHS01IE-E

BACnet® and MODBUS® Interface □ PAC-UKPRC001-CN-1

Lockdown Bracket for Hand-held Remote Controllers □ RCMKP1CB

Blue Diamond Sensor Extension Cable — 15 Ft. □ C13-103

Blue Diamond Alarm Extension Cable — 6.5 Ft. □ C13-192

Blue Diamond MultiTank — collection tank for use with multiple pumps □ C21-014

Blue Diamond Rubber Foot Pads □ F10-010

Mini Condensate Pump — 230 volt application □ SI30-230

MegaBlue Advanced Blue Diamond Condensate Pump w/ Reservoir & Sensor □ X87-835 - 110 to 250V

MaxiBlue Advanced Blue Diamond Mini Condensate Pump w/ Reservoir & Sensor (110V) up to 48,000 Btu/h[recommended]

□ X87-711 - 110V

Advanced Blue Diamond Mini Condensate Pump w/ Reservoir & Sensor (208/230V) [recommended] □ X87-721 - 208/230V

MicroBlue Blue Diamond Mini Condensate Pump (110/208/230V) up to 18,000 Btu/h □ X85-003

Fascia Kit for MicroBlue Pump – mounts the MicroBlue and sensor directly beneath the indoor unit □ T18-016

Drain Pan Level Sensor □ DPLS2

(30A/600V/UL) [fits 2" X 4" utility box] - Black □ TAZ-MS303

(30A/600V/UL) [fits 2" X 4" utility box] - White □ TAZ-MS303W1 Requires MAC-333IF-E2 Allows indoor units to connect to an MA Controller

ACCESSORIES: MSZ-WR12NA

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.

Air Outlet Guide □ MAC-881SG

Drain Socket □ MAC-860DS

Optional Defrost Heater □ MAC-640BH-U

Hail Guard □ HG-B4

Outdoor Unit 3-1/4 inch Mounting Base (Pair) - Plastic □ DSD-400P

Condensing Unit Mounting Pad 16" x 36" x 3" □ ULTRILITE1

Outdoor Unit Stand — 12" High □ QSMS1201M

Outdoor Unit Stand — 18" High □ QSMS1801M

Outdoor Unit Stand — 24" High □ QSMS2401M

Heavy Duty Wall Mounting Bracket— Coated Steel □ QSWB2000M-1

Heavy Duty Wall Mounting Bracket — 316 Series Stainless Steel □ QSWBSS

15' x 1/4" x 15' / 3/8" Lineset (Twin-Tube Insulation) □ MLS143812T-15

30' x 1/4" x 30' / 3/8" Lineset (Twin-Tube Insulation) □ MLS143812T-30

50' x 1/4" x 50' / 3/8" Lineset (Twin-Tube Insulation) □ MLS143812T-50

65' x 1/4" x 65' / 3/8" Lineset (Twin-Tube Insulation) □ MLS143812T-65

ACCESSORIES: MUZ-WR12NA

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.

Unit: inch

11/16

5-1/2

2-1/4

Pip

ing

Insulation ø1 - 3/8 O.D

Liquid line ø1/4 19 - 11/16 (Flared connection ø1/4)

Gas line ø3/8 16 - 15/16

(Flared connection: ø3/8

Drain hose Insulation ø1-1/8 O.D Connected part ø5/8 O.D

DIMENSIONS: MSZ-WR12NA

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.

Unit: inch

4 in. (1

00 mm)

or more

14 in. (350 mm)or more8 in. (2

00 mm)

or more *2

4 in. (100 mm)or more

Liquid refrigerant pipe joint

Refrigerant pipe (flared) Ø 1/4

Gas refrigerant pipe joint

Refrigerant pipe (flared) Ø 3/8 (09/12 kBtu/h)

Ø 1/2 (18 kBtu/h)

REQUIRED SPACE

cle

ar

*1

*1 4 in. (100 mm) or more whenfront and sides of the unit are clear

*2 When any 2 sides of left, rightand rear of the unit are clear

holes

FORM# MSZ-WR12NA / MUZ-WR12NA - 201903

1340 Satellite Boulevard, Suwanee, GA 30024Toll Free: 800-433-4822 www.mehvac.com

DIMENSIONS: MUZ-WR12NA

Specifications are subject to change without notice. © 2019 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.